主闭合回路 [电子] [自] main closed loop
主闭路极 domain closed-loop pole
主动脉瓣关闭不全 aortic insufficiency ; Aortic incompetence ; aortic regurgitation
主动闭锁 Active Locking
主动关闭 active close
慢性主动脉瓣关闭不全 Chronic aortic insufficiency
主动脉瓣闭锁 aortic atresia ; atresis of aortic valve
急性主动脉瓣关闭不全 acute aortic insufficiency
主动脉闭锁 aortic atresia ; Atresia of aorta
引擎主动开启关闭功能 Start-Stop function
得出了闭式系统压力冲击并不是发生在主油泵快速换向的过程，而是发生在混凝土快速压实后推进的时刻。
The hydraulic shock in the closed loop did not occur when the swash plate commutated and it actually happened when the concrete was pushed forward after compression.
将其测试结果与模拟试验结果进行了比较，为闭式循环4.4K制冷机的第一级主换热器的热端温差的合理选取提供了依据。
The basis for selecting the reasonable temperature difference at the hot end of the first main heat exchanger of close-cycle 4.4K refrigerator is provided.
给出满足主右理想极小条件诣零环的两个充要条件，此类环是扩张闭的。
This peper gives two necessary and sufficient conditions for a ring to be a nil MHR-ring. It is obtained that any nil MHR-ring is extension closed.
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